Spitzer, Simon:

By: Isidore Singer , Frederick T. Haneman

Austrian mathematician; born at Vienna Feb. 3, 1826; died there April 2, 1887. He studied mathematics at the University of Vienna, was graduated in 1850, and became in 1851 privat-docent at the Vienna polytechnic institute. In 1857 he was appointed professor of algebra at the Vienna "Handelsschule," which position he held until 1887, at the same time lecturing at the polytechnic, where he became assistant professor of analytic mechanics in 1863, and professor in 1870. When the "Handelsschule" was changed into the "Handelsakademie" Spitzer became its first rector (1872-73).

Of Spitzer's numerous works the following may be mentioned: "Ueber die Aufsuchung der Imaginären Wurzeln Höherer Numerischer Gleichungen"; "Allgemeine Auflösung der Zahlengleichungen mit Einer und Mehreren Unbekannten"; "Anleitung zur Berechnung der Leibrenten und Anwartschaften"; "Tabellen über die Zinseszinsen- und Rentenrechnung"; and "Ueber Münzen und Arbitragen Rechnung."